650973 has 4 divisors (see below), whose sum is σ = 867968. Its totient is φ = 433980.

The previous prime is 650971. The next prime is 650987. The reversal of 650973 is 379056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 650973 - 2¹ = 650971 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 650973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108493 + ... + 108498.

It is an arithmetic number, because the mean of its divisors is an integer number (216992).

2⁶⁵⁰⁹⁷³ is an apocalyptic number.

It is an amenable number.

650973 is a deficient number, since it is larger than the sum of its proper divisors (216995).

650973 is a wasteful number, since it uses less digits than its factorization.

650973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216994.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 650973 is about 806.8289781608. The cubic root of 650973 is about 86.6671120950.

The spelling of 650973 in words is "six hundred fifty thousand, nine hundred seventy-three".